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LC Bead® microspheres are intended to be used for the embolization of
hypervascular tumors and arteriovenous malformations (AVMs).
LC Bead Instructions for Use
LC Bead® comprise a range of hydrogel microspheres that are biocompatible, hydrophilic, nonresorbable and precisely calibrated. LC Bead® microspheres are produced from polyvinyl alcohol and are available in the following size ranges:
Size Label Color
The scientific literature provides extensive documentation of embolization procedures using a wide variety of artificial agents in both neurological and peripheral vascular systems, including the head, neck, spine, liver, genitourinary tract, uterus, gastrointestinal system, limbs and lungs. A representative bibliography is provided following these instructions for use.
WARNING: Studies have shown that LC Bead® microspheres do not form aggregates and, as a result, penetrate deeper into the vasculature as compared to similarly sized PVA particles. Care must be taken to choose a larger sized LC Bead® Embolic Agent when embolizing arteriovenous malformations with large shunts to avoid passage of the microspheres into the pulmonary or coronary circulation.
The color of the LC Bead® microspheres could be visible through
the skin if injected into arteries feeding superficial tissues.